User`s guide

3-124 Agilent E6432A Microwave Synthesizer User’s Guide

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External Modulator Gain Calibration

Warm-Up Time Required

Warm-up time is required before the synthesizer can meet

specifications. Operation to specifications requires 30 minutes to warm

up from a cold start at 0 to +55 degrees Celsius.

NOTE For best results when calibrating an external leveling loop

configuration, both the External Detector Linearization and External

Modulator Gain Calibration must be run. When running these

calibrations, order matters; the External Modulator Gain Calibration

must be run only after an External Detector Linearization is run.

Running these calibrations a second time may yield a minor

improvement in accuracy; the accuracy improvement is less than

0.25 dB. Running these calibrations any additional times provides no

further accuracy improvement.

• Start Frequency

• Stop Frequency

• Step Frequency

• Start